For example, the first assumption has been tested by observations showing that largest possible deviation of the fine structure constant over much of the age of the universe is of order 10 < sup >− 5 </ sup >.

In terms of age structure, the population is dominated by the 15 – 64 year old segment.

As noted above, Shaka was neither the originator of the impi, or the age grade structure, nor the concept of a bigger grouping than the small clan system.

Aggregate population measures such as the proportion of the population in various age classes should also be used alongside individual-based measures like formal life expectancy when analyzing population structure and dynamics.

Demographers determine the age structure of a given population by dividing it into five-year age-groups and arranging them chronologically in a pyramidlike structure that " bulges " or recedes in relation to the number of persons in a given age cohort.

The following table describes age structure and sex ratios in Réunion.

With the slowdown in the population growth rate and a rise in the median age ( from 18. 7 years to 21. 8 years between 1960 and 1980 ), the age structure of the population has begun to resemble the columnar pattern typical of developed countries, rather than the pyramidal pattern found in most parts of the Third World.

Additionally, over the past five years, Venezuelan society's general age structure has been trending towards the homologous structure found in Cuba, Western Europe, Japan, and other healthy and rapidly aging societies.

By 2 months of age, the vocal fold started differentiating into a bilaminar structure of distinct cellular concentration, with the superficial layer being less densely populated than the deeper layer.

By 7 years of age, all specimens show a three-layered vocal fold structure, based on cellular population densities.

While archaeologists can use the technique to date the piece of wood and when it was felled, it may be difficult to definitively determine the age of a building or structure that the wood is in.

After the initial discovery in 1998, these observations were corroborated by several independent sources: the cosmic microwave background radiation and large scale structure, apparent size of baryon acoustic oscillations, age of the universe, as well as improved measurements of supernovae and X-ray properties of galaxy clusters.

Although its best incarnations will age for decades, less-extracted styles may be enjoyed young for their lively red and blueberry characters and smooth tannin structure.

* A stable population, one that has had constant crude birth and death rates for such a long period of time that the percentage of people in every age class remains constant, or equivalently, the population pyramid has an unchanging structure.

As shoots grow and age, the cells develop completed cell walls that have a hard and tough structure.

Zanghellini suggests that the samurai archetype is responsible for " the ' hierarchical ' structure and age difference " of some relationships portrayed in yaoi and BL.

Geomorphologists and geologists scrutinize geological structure of Lake Teletskoye, its paleogeography, age and origin.

The cause of the Permian-Triassic extinction is still matter of debate with the age and origin of proposed impact craters, i. e. the Bedout High structure, hypothesized to be associated with it are still controversial.

Population dynamics, including growth rates, age structure, fertility and mortality, migration and more, influence every aspect of human, social and economic development.

It would authorize the Texas Education Agency to establish county-wide day schools for the deaf in counties of 300,000 or more population, require deaf children between 6 and 13 years of age to attend the day schools, permitting older ones to attend the residential Texas School for the Deaf here.

The age distribution,, in Aarau is ; 1, 296 children or 8. 1 % of the population are between 0 and 9 years old and 1, 334 teenagers or 8. 4 % are between 10 and 19.

In Aarau about 74. 2 % of the population ( between age 25 – 64 ) have completed either non-mandatory upper secondary education or additional higher education ( either university or a Fachhochschule ).

Of the school age population (), there are 861 students attending primary school, there are 280 students attending secondary school, there are 455 students attending tertiary or university level schooling, there are 35 students who are seeking a job after school in the municipality.

16 % of the population is under 6 years of age.

In the city the population was spread out with 27. 8 % under the age of 18, 8. 9 % from 18 to 24, 28. 0 % from 25 to 44, 19. 5 % from 45 to 64, and 15. 9 % who were 65 years of age or older.

About 4. 2 % of families and 7. 0 % of the population were below the poverty line, including 4. 1 % of those under age 18 and 15. 0 % of those age 65 or over.

In the city the population was spread out with 27. 8 % under the age of 18, 9. 4 % from 18 to 24, 31. 4 % from 25 to 44, 19. 3 % from 45 to 64, and 12. 1 % who were 65 years of age or older.

About 19. 8 % of families and 23. 0 % of the population were below the poverty line, including 29. 3 % of those under age 18 and 13. 5 % of those age 65 or over.

The percentage of fluent speakers turns out to be even higher if those under 16 are also taken into account, given that the proportion of bilinguals is particularly high in this age group ( 76. 7 % of those aged between 10 and 14 and 72. 4 % of those aged 5 – 9 ): 37. 5 % of the population aged 6 and above in the whole Basque Autonomous Community, 25. 0 % in Álava, 31. 3 % in Biscay and 53. 3 % in Gipuzkoa.

Out of the total population, 6. 3 % of those under the age of 18 and 9. 1 % of those 65 and older were living below the poverty line.

The population was spread out with 13, 872 people ( 12. 3 %) under the age of 18, 30, 295 people ( 26. 9 %) aged 18 to 24, 30, 231 people ( 26. 9 %) aged 25 to 44, 25, 006 people ( 22. 2 %) aged 45 to 64, and 13, 176 people ( 11. 7 %) who were 65 years of age or older.

About 8. 3 % of families and 20. 0 % of the population were below the poverty line, including 13. 4 % of those under age 18 and 7. 9 % of those age 65 or over.

In 1959, about 45 % of the population was under 15 years of age.

In 1962, an estimated 52 % of the population was between 15 and 64 years of age, while 2 % were older than 65.

The median age of the population is 41. 4, and the gender ratio of the total population is 0. 93 males per 1 female.

In the city the population was spread out with 13. 3 % under the age of 18, 21. 2 % from 18 to 24, 38. 6 % from 25 to 44, 17. 8 % from 45 to 64, and 9. 2 % who were 65 years of age or older.

The place is inhabited by several hundred warlike women who are anachronisms of the Twentieth Century -- stone age amazons who live in an all-female, matriarchal society which is self-sufficient ''.

If he is the child of nothingness, if he is the predestined victim of an age of atomic wars, then he will consult only his own organic needs and go beyond good and evil.

But he plunges into yet another, this time with Norway, and is killed in an assault on the fortress of Fredrikshall, being only thirty-six years of age when he died.

`` I may possibly be a greater risk than is the normal person of my age '', the President had said on February 29th of the election year, ignoring the fact that no one of his age had ever lived out another term.

He is the stern guardian of the status quo who has raised the utilitarian structures of the age, and he is the revolutionary poet with a gun in his hand who writes a tragic apologetic to posterity for the men he has killed.

It is obvious that the historian who seeks to recapture the ideas that have motivated human behavior throughout a given period will find the art and literature of that age one of his central and major concerns, by no means a mere supplement or adjunct of significant historical research.

He tends to underestimate -- or perhaps to view charitably -- the brutality and the violence of the age, so that there is an idyllic quality in these pages which hazes over some of its sharp reality.

To Adams that age in which religion exercised power over the entire culture of the race was one of imagination, and it is largely the admiration he so obviously held for such eras that betrays a peculiar religiosity -- a sentiment he would have probably denied.

Yet even in the more extreme of such cases we seldom go very far astray in guessing what his age actually is.

The other reason ( and the one with which I am here concerned ) is that one thus becomes inclined to inquire of any opinion, or change of opinion, whether it represents the wisdom of experience or is only the result of the difference between youth and age which is as inevitable as the all too obvious physical differences.

One may be exasperatingly aware that if the answer is favorable it will be judged such only by those of one's own age.

Many readers of this department no doubt discount certain of my opinions for the simple reason that they can guess pretty accurately, even if they have never actually been told, what my age is.

But preservation of the natural beauty of the Cape is of more than regional concern, for the automobile age has made it the recreation spot of people from all over the country.

West Berlin morale is low and, in age distribution, the situation is unfavorable.

Even apart from the fact that now at the age of 31 my personal life is being totally disrupted for the second time for no very compelling reason -- I cannot help looking around at the black leather jacket brigades standing idly on the street corners and in the taverns of every American city and asking myself if our society has gone mad.

Betty is 16 years of age and had several wins to her credit last year.

Stravinsky, nearing the age of eighty, is like a lost and frantic bird, flitting from one abandoned nest to another, searching for a home.

Wyatt and Whipple, 1950 ), which is a retardation of the orbital motion of particles by the relativistic aberration of the repulsive force of the impinging solar radiation, causes the dust to spiral into the sun in times much shorter than the age of the Earth.